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I was wondering what to put in my .emacs file to have different settings depending on whether I run a normal emacs session or whether I run emacs in the terminal with emacs -nw?

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up vote 4 down vote accepted

You can use the variable window-system-version to tell if you are on a terminal. If this variable is nil, then it is terminal mode.

Example .emacs:

(when window-system-version
  ;; setup for graphic environment
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